DE69532419D1 - REGENERATION OF A CATALYST / ABSORBER - Google Patents
REGENERATION OF A CATALYST / ABSORBERInfo
- Publication number
- DE69532419D1 DE69532419D1 DE69532419T DE69532419T DE69532419D1 DE 69532419 D1 DE69532419 D1 DE 69532419D1 DE 69532419 T DE69532419 T DE 69532419T DE 69532419 T DE69532419 T DE 69532419T DE 69532419 D1 DE69532419 D1 DE 69532419D1
- Authority
- DE
- Germany
- Prior art keywords
- absorber
- catalyst
- regeneration
- carbonate
- devitalized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/10—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using elemental hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Hydrogen or carbon monoxide in a carrier of nitrogen or steam is passed over a devitalized catalyst/carbonate or bicarbonate absorber which has absorbed or adsorbed nitrates and nitrites from engine exhaust to restore the carbonate form and regenerate the devitalized catalyst/absorber for reuse.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/371,274 US5599758A (en) | 1994-12-23 | 1994-12-23 | Regeneration of catalyst/absorber |
US371274 | 1994-12-23 | ||
PCT/US1995/014548 WO1996020044A1 (en) | 1994-12-23 | 1995-10-25 | Regeneration of catalyst/absorber |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69532419D1 true DE69532419D1 (en) | 2004-02-12 |
DE69532419T2 DE69532419T2 (en) | 2004-11-11 |
Family
ID=23463274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69532419T Expired - Lifetime DE69532419T2 (en) | 1994-12-23 | 1995-10-25 | REGENERATION OF A CATALYST / ABSORBER |
Country Status (14)
Country | Link |
---|---|
US (1) | US5599758A (en) |
EP (1) | EP0802825B1 (en) |
JP (1) | JP4110427B2 (en) |
CN (1) | CN1173147A (en) |
AT (1) | ATE257409T1 (en) |
AU (1) | AU693966B2 (en) |
BR (1) | BR9510481A (en) |
CZ (1) | CZ198297A3 (en) |
DE (1) | DE69532419T2 (en) |
HU (1) | HUT77699A (en) |
NZ (1) | NZ296438A (en) |
PL (1) | PL321095A1 (en) |
TW (1) | TW363898B (en) |
WO (1) | WO1996020044A1 (en) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2743010B1 (en) * | 1995-12-29 | 1998-02-20 | Rhone Poulenc Fibres | PROCESS FOR THE PREPARATION BY HYDROGENATION OF CATALYSTS BASED ON TRANSITIONAL METAL AND PHOSPHINE |
DE19731623B4 (en) * | 1997-07-23 | 2006-11-23 | Volkswagen Ag | Process and apparatus for de-sulfation of NOx storage in diesel engines |
US5953911A (en) * | 1998-02-04 | 1999-09-21 | Goal Line Environmental Technologies Llc | Regeneration of catalyst/absorber |
US6560958B1 (en) * | 1998-10-29 | 2003-05-13 | Massachusetts Institute Of Technology | Emission abatement system |
US6093670A (en) * | 1998-12-11 | 2000-07-25 | Phillips Petroleum Company | Carbon monoxide oxidation catalyst and process therefor |
US7033547B1 (en) * | 1999-01-19 | 2006-04-25 | Yataro Ichikawa | Exhaust gas treating apparatus and vehicle equipped with the apparatus |
JP3642273B2 (en) * | 1999-10-21 | 2005-04-27 | 日産自動車株式会社 | Exhaust gas purification system |
WO2001051178A1 (en) * | 2000-01-11 | 2001-07-19 | Goal Line Environmental Technologies Llc | Process, catalyst system, and apparatus for treating sulfur compound containing effluent |
DE10049040A1 (en) * | 2000-10-04 | 2002-06-13 | Alstom Switzerland Ltd | Regenerating catalyst unit, for treating gas turbine waste gas, involves passing regeneration gas through two catalysts, removing gas upstream of one catalyst |
US20030181314A1 (en) * | 2001-08-31 | 2003-09-25 | Texaco Inc. | Using shifted syngas to regenerate SCR type catalyst |
US20030047146A1 (en) * | 2001-09-10 | 2003-03-13 | Daniel Michael J. | Plasmatron-internal combustion engine system having an independent electrical power source |
US7021048B2 (en) * | 2002-01-25 | 2006-04-04 | Arvin Technologies, Inc. | Combination emission abatement assembly and method of operating the same |
US6959542B2 (en) * | 2002-01-25 | 2005-11-01 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to regenerate a DPNR device |
US6976353B2 (en) * | 2002-01-25 | 2005-12-20 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to provide reformate gas to both a fuel cell and an emission abatement device |
US7014930B2 (en) * | 2002-01-25 | 2006-03-21 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to generate multiple reformate gases |
JP4244648B2 (en) * | 2002-02-19 | 2009-03-25 | 日産自動車株式会社 | Exhaust gas purification device |
FR2838770B1 (en) | 2002-04-17 | 2005-11-25 | Renault Sa | EXHAUST GAS DELEGATION SYSTEM OF A DIESEL ENGINE AND METHOD OF IMPLEMENTING THE SAME |
US6651597B2 (en) * | 2002-04-23 | 2003-11-25 | Arvin Technologies, Inc. | Plasmatron having an air jacket and method for operating the same |
AU2003228608A1 (en) * | 2002-04-24 | 2003-11-10 | Arvin Technologies, Inc. | Apparatus and method for regenerating a particulate filter of an exhaust system of an internal combustion engine |
US20040020447A1 (en) * | 2002-08-05 | 2004-02-05 | William Taylor | Method and apparatus for advancing air into a fuel reformer by use of an engine vacuum |
US20040020191A1 (en) * | 2002-08-05 | 2004-02-05 | Kramer Dennis A. | Method and apparatus for advancing air into a fuel reformer by use of a turbocharger |
US20040020188A1 (en) * | 2002-08-05 | 2004-02-05 | Kramer Dennis A. | Method and apparatus for generating pressurized air by use of reformate gas from a fuel reformer |
AU2003258039A1 (en) * | 2002-08-12 | 2004-02-25 | Arvin Technologies, Inc. | Apparatus and method for controlling the oxygen-to-carbon ratio of a fuel reformer |
DE10242776B4 (en) | 2002-09-14 | 2013-05-23 | Alstom Technology Ltd. | Method for operating an emission control system |
US20040050345A1 (en) * | 2002-09-17 | 2004-03-18 | Bauer Shawn D. | Fuel reformer control system and method |
US6758035B2 (en) * | 2002-09-18 | 2004-07-06 | Arvin Technologies, Inc. | Method and apparatus for purging SOX from a NOX trap |
US20040052693A1 (en) * | 2002-09-18 | 2004-03-18 | Crane Samuel N. | Apparatus and method for removing NOx from the exhaust gas of an internal combustion engine |
US6702991B1 (en) | 2002-11-12 | 2004-03-09 | Arvin Technologies, Inc. | Apparatus and method for reducing power consumption of a plasma fuel reformer |
US6715452B1 (en) | 2002-11-13 | 2004-04-06 | Arvin Technologies, Inc. | Method and apparatus for shutting down a fuel reformer |
US6903259B2 (en) * | 2002-12-06 | 2005-06-07 | Arvin Technologies, Inc. | Thermoelectric device for use with fuel reformer and associated method |
US6843054B2 (en) * | 2003-01-16 | 2005-01-18 | Arvin Technologies, Inc. | Method and apparatus for removing NOx and soot from engine exhaust gas |
US20040139730A1 (en) * | 2003-01-16 | 2004-07-22 | William Taylor | Method and apparatus for directing exhaust gas and reductant fluid in an emission abatement system |
US20040144030A1 (en) * | 2003-01-23 | 2004-07-29 | Smaling Rudolf M. | Torch ignited partial oxidation fuel reformer and method of operating the same |
US6851398B2 (en) * | 2003-02-13 | 2005-02-08 | Arvin Technologies, Inc. | Method and apparatus for controlling a fuel reformer by use of existing vehicle control signals |
US20040216378A1 (en) * | 2003-04-29 | 2004-11-04 | Smaling Rudolf M | Plasma fuel reformer having a shaped catalytic substrate positioned in the reaction chamber thereof and method for operating the same |
US7285247B2 (en) * | 2003-10-24 | 2007-10-23 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer so as to purge soot therefrom |
US7244281B2 (en) * | 2003-10-24 | 2007-07-17 | Arvin Technologies, Inc. | Method and apparatus for trapping and purging soot from a fuel reformer |
US7776280B2 (en) * | 2005-05-10 | 2010-08-17 | Emcon Technologies Llc | Method and apparatus for selective catalytic reduction of NOx |
US7743602B2 (en) * | 2005-06-21 | 2010-06-29 | Exxonmobil Research And Engineering Co. | Reformer assisted lean NOx catalyst aftertreatment system and method |
US7803338B2 (en) * | 2005-06-21 | 2010-09-28 | Exonmobil Research And Engineering Company | Method and apparatus for combination catalyst for reduction of NOx in combustion products |
US20070033929A1 (en) * | 2005-08-11 | 2007-02-15 | Arvinmeritor Emissions Technologies Gmbh | Apparatus with in situ fuel reformer and associated method |
GB0806148D0 (en) * | 2008-04-04 | 2008-05-14 | Johnson Matthey Plc | Process for preparing catalysts |
CN101592449B (en) * | 2008-05-29 | 2012-01-25 | 中国石油化工股份有限公司 | Heat exchange method in reactivation process of flue gas desulfuration and denitrification adsorbent |
WO2010051491A1 (en) | 2008-10-31 | 2010-05-06 | Emerachem, Llc | Methods and systems for reducing particulate matter in a gaseous stream |
EP2621630B1 (en) * | 2010-09-30 | 2019-03-27 | ExxonMobil Chemical Patents Inc. | Regeneration of metal-containing catalysts |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3230179A (en) * | 1963-01-28 | 1966-01-18 | Pullman Inc | Regeneration of a platinum catalyst by oxidation and treatment with a hydrogen containing gas |
US3856485A (en) * | 1967-11-11 | 1974-12-24 | Meps Inc | Apparatus and methods for treating exhaust gases of combustion |
NL7307675A (en) * | 1972-06-16 | 1973-12-18 | ||
US3953575A (en) * | 1973-11-21 | 1976-04-27 | American Gas Association | Iron oxide sorbents for regenerative sorption of Nox |
DE3226840A1 (en) * | 1982-07-17 | 1984-02-16 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | METHOD FOR SEPARATING AND RECYCLING NO (DOWN ARROW) X (DOWN ARROW) GAS SHARES BY ADDING AND DESORPING MOLSIEB |
DE3430887C2 (en) * | 1984-08-22 | 1987-02-05 | Didier-Werke Ag, 6200 Wiesbaden | Process for reactivating a catalyst |
DE3523326A1 (en) * | 1985-06-29 | 1987-01-08 | Steag Ag | METHOD FOR SEPARATING NO (DOWN ARROW) X (DOWN ARROW) FROM GASES, ESPECIALLY SMOKE GASES |
US5254519A (en) * | 1990-02-22 | 1993-10-19 | Engelhard Corporation | Catalyst composition containing platinum and rhodium components |
US5292695A (en) * | 1992-11-18 | 1994-03-08 | Synthetica Technologies, Inc. | Process for reactivating particulate adsorbents |
-
1994
- 1994-12-23 US US08/371,274 patent/US5599758A/en not_active Expired - Lifetime
-
1995
- 1995-10-25 EP EP95939101A patent/EP0802825B1/en not_active Revoked
- 1995-10-25 AT AT95939101T patent/ATE257409T1/en not_active IP Right Cessation
- 1995-10-25 WO PCT/US1995/014548 patent/WO1996020044A1/en active IP Right Grant
- 1995-10-25 JP JP52044396A patent/JP4110427B2/en not_active Expired - Lifetime
- 1995-10-25 AU AU41056/96A patent/AU693966B2/en not_active Ceased
- 1995-10-25 HU HU9800911A patent/HUT77699A/en unknown
- 1995-10-25 PL PL95321095A patent/PL321095A1/en unknown
- 1995-10-25 NZ NZ296438A patent/NZ296438A/en unknown
- 1995-10-25 CN CN95197424A patent/CN1173147A/en active Pending
- 1995-10-25 BR BR9510481A patent/BR9510481A/en not_active Application Discontinuation
- 1995-10-25 CZ CZ971982A patent/CZ198297A3/en unknown
- 1995-10-25 DE DE69532419T patent/DE69532419T2/en not_active Expired - Lifetime
-
1996
- 1996-05-02 TW TW085105253A patent/TW363898B/en active
Also Published As
Publication number | Publication date |
---|---|
AU4105696A (en) | 1996-07-19 |
TW363898B (en) | 1999-07-11 |
CZ198297A3 (en) | 1997-11-12 |
BR9510481A (en) | 1998-06-02 |
HUT77699A (en) | 1998-07-28 |
ATE257409T1 (en) | 2004-01-15 |
DE69532419T2 (en) | 2004-11-11 |
US5599758A (en) | 1997-02-04 |
EP0802825A4 (en) | 1999-06-23 |
JP4110427B2 (en) | 2008-07-02 |
NZ296438A (en) | 1998-09-24 |
PL321095A1 (en) | 1997-11-24 |
AU693966B2 (en) | 1998-07-09 |
EP0802825B1 (en) | 2004-01-07 |
EP0802825A1 (en) | 1997-10-29 |
CN1173147A (en) | 1998-02-11 |
WO1996020044A1 (en) | 1996-07-04 |
JP2000507491A (en) | 2000-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent |